DataVXACS Applied Materials & InterfacesPaper
journal article·2022-06-22

Sputtering Flexible VO2 Films for Effective Thermal Modulation

Cuicui Cao, Bin Hu, Guoli Tu, Xiaowei Ji, Zhongshao Li, Fang Xu, Tianci Chang, Ping Jin, Xun Cao

ACS Applied Materials & Interfaces· Volume 14· Issue 24
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Source abstract

Abstract

Flexible vanadium dioxide (VO2) thermochromic films show great potential for large-scale fabrication and possess broader applications compared with VO2 coatings on rigid substrates. However, the fabrication of flexible VO2 films remains a challenge so far, leading to the scarcity of research on flexible VO2 films for smart windows. With the aim to obtain a flexible VO2-based films with excellent optical properties and a long service life, we designed and successfully fabricated a flexible ITO/VO2/ITO (IVI) film on the colorless transparent polyimide substrate, which could be directly attached to glasses for indoor temperature modulation. This flexible IVI film effectively enhances the luminous transmittance (Tlum) and solar modulation ability (ΔTsol) (15 and 68% increase relative to a VO2 single layer), reduces the thermal emissivity (εT) (50.7% decrease relative to a VO2 single layer), and exhibits better durability than previously reported structures. Such excellent comprehensive performance offers it great potential in practical applications on smart windows. This work is supposed to provide a new strategy for facile direct fabrication of flexible VO2 films and broaden the applications of flexible VO2 in more coatings and devices.
Source: openalex_inverted_index · Quality: baseline

Research context

Ceramics & glasses

OpenAlex topics: Transition Metal Oxide Nanomaterials · Optical Wireless Communication Technologies · Thermal Radiation and Cooling Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China

Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China

College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China

School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China

Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, Guangdong, China

Funding

Youth Innovation Promotion Association of the Chinese Academy of Sciences · Science and Technology Commission of Shanghai Municipality · National Natural Science Foundation of China · Shanghai B&R International Cooperation Program · Key Collaborative Research Program of the Alliance of International Science Organizations

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